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651932.pdf (333.78 KB)

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2015-03-23

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Si us plau utilitzeu sempre aquest identificador per citar o enllaçar aquest document: https://hdl.handle.net/2445/131159

Higgs mass and gravity waves in standard model false vacuum inflation

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Recurs relacionat

https://doi.org/10.1103/PhysRevD.91.063527

Resum

In previous publications we have proposed that inflation can be realized in a second minimum of the standard model Higgs potential at energy scales of about 1 0 16    GeV , if the minimum is not too deep and if a mechanism which allows a transition to the radiation dominated era can be found. This is provided, e.g., by scalar-tensor gravity models or hybrid models. Using such ideas we had predicted the Higgs boson mass to be of about 126 ± 3     GeV , which has been confirmed by the LHC, and that a possibly measurable amount of gravity waves should be produced. Using more refined recent theoretical calculations of the renormalization group equations we show that such scenario has the right scale of inflation only for small Higgs mass, lower than about 124 GeV, otherwise gravity waves are overproduced. The precise value is subject to some theoretical error and to experimental errors on the determination of the strong coupling constant. Finally we show that introducing a moderately large nonminimal coupling for the Higgs field the bound can shift to larger values and be reconciled with the LHC measurements of the Higgs mass.

Matèries

Física de partícules, Bosons de Higgs, Ones de gravetat, Massa (Física)

Matèries (anglès)

Particle physics, Higgs bosons, Gravity waves, Mass (Physics)

Citació

Col·leccions

Articles publicats en revistes (Física Quàntica i Astrofísica)
Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB))

Citació

NOTARI, Alessio. Higgs mass and gravity waves in standard model false vacuum inflation. Physical Review D. 2015. Vol. 91, num. 6, pags. 63527. ISSN 2470-0010. [consulted: 3 of August of 2026]. Available at: https://hdl.handle.net/2445/131159

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